Vim Show Line Numbers
Vim/Vi is a popular text editor for many Linux software developers and system administrators. It’s especially true if you plan
Unix is a multi-user, multi-tasking operating system that was initially developed by Bell Labs in the 1970s. Various similar operating systems that are POSIX compliant (ie compatible with Unix) have since been developed (POSIX is an abbreviation for Portable Operating System Interface for UNIX). These include the following: the BSD family (OpenBSD, FreeBSD, NetBSD, Mac OS/X), Solaris, IRIX, AIX, SunOS, UnixWare, OpenServer and Linux.
Software written for POSIX compliant operating systems is generally able to be compiled for all POSIX platforms with little or no platform-specific changes. This makes the commands and utilities available for this extended family of operating systems very similar, and there are few differences between administering them.
The articles in this section are about useful command line utilities and commonly used application software on POSIX compliant operating systems. For Mac OSX specific articles see my OSX section.
Vim/Vi is a popular text editor for many Linux software developers and system administrators. It’s especially true if you plan
In Linux operating systems, groups allow certain user permissions to be available for group members. For someone to access the
Eventually, you will have to read and execute permission changes on either a file or directory. To do this, you
Operating a Linux screen requires the mastery of varying technical terms and skills. Copying directories on Linux is no different.
The Linux system is an application where multiple people can simultaneously link into the same system. As the system administrator, it
What is the importance of learning how to add user to sudoers? For one, it’s to grant elevated access or
Learning how you can create a file in Linux is an essential skill to have, especially if you’re using Linux
Does your code require repetitive tasks in your Linux or UNIX operating system? A “for loop” statement allows particular commands
Are you planning to rename files? Linux allows you to do that! If you’re using a Linux system, you’ve probably
If it’s your first time using Ubuntu, we highly recommend checking Ubuntu version updates and releases before diving into the
